These entries are queried from radb.net using whois, you can try my project getting these.
:AS18916 route: 198.49.164.0/24 origin: AS18916 descr: Oracle GIT member-of: RS-ORACLE-18916 admin-c: Network Contact Distribution tech-c: Le Easterwood notify: network-contact_ww [at] oracle.com changed: le.easterwood [at] oracle.com 20181206 #21:26:12Z source: RADB mnt-by: MAINT-ORACLE last-modified: 2023-11-13T15:55:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:1:8004::/48 descr: Oracle GIT - LAD origin: AS18916 member-of: RS-ORACLE18916 admin-c: Network Contact Distribution tech-c: Le Easterwood notify: network-contact_ww [at] oracle.com mnt-by: MAINT-ORACLE changed: le.easterwood [at] oracle.com 20160809 #06:21:33Z source: RADB last-modified: 2023-11-13T15:49:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source